VST Ridgeless Precision Portafilter Basket - 15g, 18g, 20g
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VST Ridgeless Filter Basket - 15g 18g or 20g (select on "SIZE" drop-down above)
Beautifully milled stainless steel basket for 58mm / 58.5mm tamper - this item will help in better coffee extraction through your espresso machine.
The ridgeless feature enables easy removal from the portafilter - highly recommended and inexpensive purchase to really improve your shot.
Features VST's new precision filters deliver consistent extraction performance over a wide range of concentration with reduced sediment. Designed to extract properly as a ristretto, normale or lungo with minimal or no change in grind setting at a fixed dose. Filters are matched for total square area to +/- 5% to ensure identical performance(typical variances of standard filters range from 50-200% of nominal).
All VST Filters are WARRANTED for ONE-YEAR and for ZERO DEFECTS and 100% of VST's filters are inspected on the VST Digital Filter Imaging System. Holes are fabricated using a new micro-machine and finishing process100% of holes are measured on every filter for min/max range limits on area and diameter to a precision of +/- 20 µm (QC report provided with every filter)All holes are measured for circularity placement square area and blocked holes. Hole pattern is centered to +/- 1.0 mm and placement is oriented for uniform extraction throughout the entire puck. Wide outlet angle to prevent filters from clogging anti-wear design ensures uniform performance for life of product.
Improved structural integrity will withstand deflection from pump cycling without premature fatigue failures (see VST Warranty)
Recommended Tamper for the VST precision portafilter basket 58mm - 58.35mm +/- 0.05mm diameter flat face.